425265156 has 72 divisors (see below), whose sum is σ = 1098246240. Its totient is φ = 138710016.

The previous prime is 425265143. The next prime is 425265167. The reversal of 425265156 is 651562524.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425265156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736740 + ... + 737316.

It is an arithmetic number, because the mean of its divisors is an integer number (15253420).

Almost surely, 2^425265156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425265156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549123120).

425265156 is an abundant number, since it is smaller than the sum of its proper divisors (672981084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425265156 is a wasteful number, since it uses less digits than its factorization.

425265156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 988 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 425265156 is about 20621.9581029542. The cubic root of 425265156 is about 752.0036238885.

The spelling of 425265156 in words is "four hundred twenty-five million, two hundred sixty-five thousand, one hundred fifty-six".